John runs 500 feet per minute. identify the correct conversion factor setup required to compute john's speed in inches per second

a. 12 inches/1 foot times 60 seconds/1 minute.

b. 1 foot/12 inches times 60 seconds/1 minute.

c. 1 foot/12 inches times 1 minute/60 seconds.

d. 12 inches/1 foot times 1 minute/60 seconds.

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.